Joe, a mobile user, claims he is unable to connect to resources on the WiFi network. Joe has a good signal and an IP address assigned to his device.
Which of the following is the BEST troubleshooting technique that the administrator can take?
A. Verify that Joe is able to connect to the cellular network.
B. Verify that Joe is logged on to the network.
C. Check the IP address to ensure it is in the correct range.
D. Check the MAC address of the device.
